1.89/1.32	NO
1.89/1.32	
1.89/1.32	Proof:
1.89/1.32	This system is not confluent.
1.89/1.32	For the unconditional CP d = c the left- and right-hand sides are two different normal forms wrt R_u.
1.89/1.32	
2.11/1.35	EOF